487467949 has 6 divisors (see below), whose sum is σ = 489932430. Its totient is φ = 485006616.

The previous prime is 487467943. The next prime is 487467991. The reversal of 487467949 is 949764784.

It can be written as a sum of positive squares in only one way, i.e., 478953225 + 8514724 = 21885^2 + 2918^2 .

It is not a de Polignac number, because 487467949 - 2¹⁷ = 487336877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 487467893 and 487467902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487467943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333382 + ... + 334840.

It is an arithmetic number, because the mean of its divisors is an integer number (81655405).

Almost surely, 2^487467949 is an apocalyptic number.

It is an amenable number.

487467949 is a deficient number, since it is larger than the sum of its proper divisors (2464481).

487467949 is an frugal number, since it uses more digits than its factorization.

487467949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147 (or 1688 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 58.

The square root of 487467949 is about 22078.6763416651. The cubic root of 487467949 is about 787.0132099971.

The spelling of 487467949 in words is "four hundred eighty-seven million, four hundred sixty-seven thousand, nine hundred forty-nine".